86212662539 has 2 divisors, whose sum is σ = 86212662540. Its totient is φ = 86212662538.

The previous prime is 86212662511. The next prime is 86212662551. The reversal of 86212662539 is 93526621268.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86212662539 - 2¹² = 86212658443 is a prime.

It is not a weakly prime, because it can be changed into another prime (86212662439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43106331269 + 43106331270.

It is an arithmetic number, because the mean of its divisors is an integer number (43106331270).

Almost surely, 2^86212662539 is an apocalyptic number.

86212662539 is a deficient number, since it is larger than the sum of its proper divisors (1).

86212662539 is an equidigital number, since it uses as much as digits as its factorization.

86212662539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 50.

The spelling of 86212662539 in words is "eighty-six billion, two hundred twelve million, six hundred sixty-two thousand, five hundred thirty-nine".